20639100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{773}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 60464880

約数和(自身を除く): 39825780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 89, 100, 150, 178, 267, 300, 356, 445, 534, 773, 890, 1068, 1335, 1546, 1780, 2225, 2319, 2670, 3092, 3865, 4450, 4638, 5340, 6675, 7730, 8900, 9276, 11595, 13350, 15460, 19325, 23190, 26700, 38650, 46380, 57975, 68797, 77300, 115950, 137594, 206391, 231900, 275188, 343985, 412782, 687970, 825564, 1031955, 1375940, 1719925, 2063910, 3439850, 4127820, 5159775, 6879700, 10319550, 20639100]

約数ペア:

[(1, 20639100), (2, 10319550), (3, 6879700), (4, 5159775), (5, 4127820), (6, 3439850), (10, 2063910), (12, 1719925), (15, 1375940), (20, 1031955), (25, 825564), (30, 687970), (50, 412782), (60, 343985), (75, 275188), (89, 231900), (100, 206391), (150, 137594), (178, 115950), (267, 77300), (300, 68797), (356, 57975), (445, 46380), (534, 38650), (773, 26700), (890, 23190), (1068, 19325), (1335, 15460), (1546, 13350), (1780, 11595), (2225, 9276), (2319, 8900), (2670, 7730), (3092, 6675), (3865, 5340), (4450, 4638)]